Home / 370,452.40-555,464.04-326,168.08

Finding the Fourth Proportional to 370,452.40, 555,464.04 and 326,168.08

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Solution

The fourth proportional to 370,452.40, 555,464.04 and 326,168.08 is: 489,063.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,452.40 : 555,464.04 = 326,168.08 : x
  2. Step 2: Convert to fraction form
    370,452.40/555,464.04 = 326,168.08/x
  3. Step 3: Cross multiply
    370,452.40x = 555,464.04 × 326,168.08
  4. Step 4: Simplify right side
    370,452.40x = 181,174,639,435.84
  5. Step 5: Solve for x
    x = 181,174,639,435.84/370,452.40
  6. Step 6: Final answer
    x = 489,063.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.